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541445 (2011 JN4)
Classification: Main-belt Asteroid          SPK-ID: 2541445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006044916410834 5.1128e-08  
a 2.321791524109429 3.3429e-08 au
q 2.088208868129823 1.1555e-07 au
i 8.825214119560977 5.8827e-06 deg
node 93.96739733950086 4.629e-05 deg
peri 181.647290440412 7.8777e-05 deg
M 218.3979332581036 6.8338e-05 deg
tp 2459708.776874118948
(2022-May-09.27687412)
0.00025452 TDB
period 1292.21048034804
3.54
2.7908e-05
7.641e-08
d
yr
n .2785923852769239 6.0167e-09 deg/d
Q 2.555374180089034 3.6792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      3580 days (9.80 yr)  
   first obs. used      2011-05-01  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:15  

Additional Information
 Earth MOID = 1.07 au 
 Jupiter MOID = 2.535 au 
 T_jup = 3.555 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.22   .32415 MPCxxxxx autocmod 2.8

541445 (2011 JN4)          Discovered 2011-May-01 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 JN4 = 2015 OX15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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